Yokogawa AAI143-H50/K4A00 S1 Analog Input Module – Product Description

Overview

The Yokogawa AAI143-H50/K4A00 S1 is a high-precision analog input module designed for CENTUM VP and CS 3000 systems. It acquires analog signals from field transmitters, including temperature, pressure, flow, and level, converting them into accurate digital data. Moreover, it features a KS Cable Interface Adapter (ATK4A-00) for easy connection to AEA4D terminal boards. Its compact rack-mounted design ensures seamless integration in mission-critical industrial control systems.

Technical Specifications

Electrical & I/O

• Number of Channels: 16 analog inputs

• Signal Types Supported:

• Current input: 4–20 mA DC (standard industrial transmitter signal)

• Voltage input: 1–5 V DC (optional)

• Resolution: 16-bit A/D conversion

• Accuracy: ±0.1% of full scale

• Isolation: Channel-to-channel and system-to-channel

• Input Power: Supplied from node backplane

Performance & Diagnostics

• Response Time: ≤10 ms per channel

• Noise Immunity: High resistance to electrical noise and EMI

• Diagnostics: LED indicators for channels and module status; built-in self-test

• Redundancy: Supports dual-redundant configuration

Mechanical

• Dimensions (W × H × D): 107.5 × 32.8 × 130 mm

• Weight: 0.3 kg

• Mounting: Rack-mounted in Yokogawa backplane

• Protection: IP20

Environmental & Compliance

• Operating Temperature: 0 °C to +60 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, COO/Test Report available

• Origin: Japan

FAQ

Q1: How many channels does the AAI143-H50/K4A00 handle?
It handles 16 isolated analog input channels for simultaneous monitoring.

Q2: Does it support HART communication?
Yes, the “H” designation enables two-way HART communication with intelligent transmitters.

Q3: Can it be integrated into redundant systems?
Yes, it supports dual-redundant configurations for high system reliability.

Q4: What types of signals are supported?
It supports 4–20 mA current and 1–5 V voltage analog inputs.

Q5: What is the response time per channel?
The module provides ≤10 ms response per channel for real-time process monitoring.